<?php
/**
 * OrangeHRM is a comprehensive Human Resource Management (HRM) System that captures
 * all the essential functionalities required for any enterprise.
 * Copyright (C) 2006 OrangeHRM Inc., http://www.orangehrm.com
 *
 * OrangeHRM is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * OrangeHRM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA
 */

namespace Orangehrm\Rest\Api\PublicApi;

use Orangehrm\Rest\Api\EndPoint;
use Orangehrm\Rest\Api\Exception\InvalidParamException;
use Orangehrm\Rest\Http\JsonResponse;
use sfConfig;

class ApiDefinitionAPI extends EndPoint
{
    const PARAMETER_MINIFIED = 'minified';

    public function getOpenApiDefinition()
    {
        $params = $this->filterParameters();

        $jsonFileName = 'orangehrm-v1-minified.json';
        if (!$params[self::PARAMETER_MINIFIED]) {
            $jsonFileName = 'orangehrm-v1.json';
        }

        $pathToJsonFile = realpath(__DIR__.'/../../..') . DIRECTORY_SEPARATOR . 'doc' . DIRECTORY_SEPARATOR . 'openApi' . DIRECTORY_SEPARATOR . $jsonFileName;
        return new JsonResponse(file_get_contents($pathToJsonFile));
    }

    protected function filterParameters(): array
    {
        $params = [];
        $minified = $this->getRequestParams()->getQueryParam(self::PARAMETER_MINIFIED, 'true');
        if (!($minified == 'true' || $minified == 'false')) {
            throw new InvalidParamException(sprintf("Invalid `%s` Value", self::PARAMETER_MINIFIED));
        }
        $minified = $minified == 'true' ? true : false;
        $params[self::PARAMETER_MINIFIED] = $minified;
        return $params;
    }
}
